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zahrast14
08.12.2021 •
Mathematics
In the figure below, AABC is similar to A EFG. What is the length of EG? Enter only the number.
A
5
N
3
12
16
F
G
B
The solution is
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Ответ:
EG = 20
Step-by-step explanation:
Since the triangles are similar then the ratios of corresponding sides are in proportion , that is
EG = 5 × 4 = 20
Ответ:
Given:
AB is the diameter of a circle whose center is the point (4,-3).
Coordinates of A are (-1,5).
To find:
The measure of AB.
Solution:
Let point O(4,-3) be the center of the circle.
Then, OA is the radius of the circle.
We know that, diameter of a circle is twice of its radius.
So,
...(i)
Distance formula:
Using distance formula, the distance between O and A is
Now, using (i), we get
Therefore, the measure of AB is
units.